# Kernel config based on: arch/arm/configs/qcom_defconfig
# APKBUILD based on linux-postmarketos-mainline
# See: https://gitlab.com/postmarketOS/pmaports/issues/184

_flavor=sony-nicki-mainline
_config="config-$_flavor.$CARCH"

pkgname=linux-$_flavor

pkgver=5.3
_pkgver=${pkgver/_/-}
_kernver=${pkgver%_rc*}
_mainver=${_kernver%.*}
_patchlevel=${_kernver/$_mainver./}
_basever=$_mainver.$((_patchlevel-1))
pkgrel=4

arch="armv7"
pkgdesc="Sony Xperia M kernel fork, close to mainline"
url="https://kernel.org/"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev openssl-dev file bison flex"
options="!strip !check !tracedeps pmb:cross-native"

_repository="linux"
_commit="ad6ab7f8c57896cb3829e6a80408e0912d6096c2"

source="
	$pkgname-$_commit.tar.gz::https://github.com/konradybcio/$_repository/archive/$_commit.tar.gz
	config-$_flavor.armv7
	linux4.17-gcc10-extern_YYLOC_global_declaration.patch
"

license="GPL2"
_abi_release=$_pkgver
_carch=$CARCH
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
ppc*) _carch="powerpc" ;;
s390*) _carch="s390" ;;
esac

builddir="$srcdir/linux-$_commit"

prepare() {
	local _patch_failed=
	# first apply patches in specified order
	for i in $source; do
		case $i in
		*.patch|*.patch::*)
			_patch=${i%::*}
			msg "Applying $_patch..."
			if ! patch -s -p1 -N -i "$srcdir"/$_patch; then
				echo $_patch >>failed
				_patch_failed=1
			fi
			;;
		esac
	done

	if ! [ -z "$_patch_failed" ]; then
		error "The following patches failed:"
		cat failed
		return 1
	fi

	mkdir -p "$srcdir"/build
	cp -v "$srcdir"/$_config "$srcdir"/build/.config
	make -C "$builddir" O="$srcdir"/build ARCH="$_carch" \
		olddefconfig
}

build() {
	cd "$srcdir"/build
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor" \
		CFLAGS_MODULE=-fno-pic
}

package() {
	cd "$srcdir/build/arch/$_carch/boot"

	if [ "$CARCH" == "aarch64" ]; then
		install -Dm644 "$srcdir/build/arch/$_carch/boot/Image.gz" \
			"$pkgdir/boot/vmlinuz-$_flavor"
	else
		install -Dm644 "$srcdir/build/arch/$_carch/boot/"*zImage \
			"$pkgdir/boot/vmlinuz-$_flavor"
	fi

	install -D "$srcdir/build/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	cd "$srcdir"/build

	local _install
	case "$CARCH" in
	aarch64*|arm*)	_install="modules_install dtbs_install" ;;
	*)		_install="modules_install" ;;
	esac

	make -j1 $_install \
		ARCH="$_carch" \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_DTBS_PATH="$pkgdir/usr/share/dtb"
}

sha512sums="31e9ef9b3e956df38824865c291530fa5dda067bfea8b0169a3871d7876cfe192a42ae631e51a8a02f7c64319269c8af2688d8ae180805173bf2c1c84c390a59  linux-sony-nicki-mainline-ad6ab7f8c57896cb3829e6a80408e0912d6096c2.tar.gz
d2d9d1a6387e11ee519c8fe22633cb5fa58fd2890eea253df4540ab76d75afe9398b46cabc9761c1daf844bd89d6fe2bcda1951ff24435cde6bec6c945290570  config-sony-nicki-mainline.armv7
27827877040007fc1c4c719f7e2e19e5c272d44972415cfc53feba0313d87e4074f8204bdb13cbc5fe21ea61bf595314b68f10c081e7b7bac3c888b60f008acf  linux4.17-gcc10-extern_YYLOC_global_declaration.patch"
